Question about IBM 6400 Matrix Printer
My first post - this site seems quite good.
Please see attached document...
Note the digits under Credits column. Its supposed to appear as the digits under the Charges column. The decimal is missing and the spread between the dollar and cents values seem bigger than normal. All numbers that in the Credits column appear uniformly like this.This happened suddenly with no fading preceding the issue.
I replaced the ribbon and did some clean-up...no-go.
Any help is appreciated.
Is there print missing??? if so the hammer fret in that location probably (90%) needs cleaning as dirt can get between the fret, it only takes the smallest amount of debris to stop fret working, you need to remove hammer bank to do this, fairly simple to do just lots of screws. the only thing to check when reinstalling hammer bank is that you pull it towards you ( front of printer ) before tightening the 3 screws, this is to be sure the gap between hammer bank and platen is roughly correct. there are 2 small grub screws at each end of platen to adjust this gap if you need to.
Posted on Sep 16, 2008
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